Heavy metal.
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Last Update: 2020-11-24
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Source: Internet
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Author: User
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heavy metals generally refer to metals with a density greater than
4.5g/cm 3including copper, lead, zinc, nickel, cobalt, tin, palladium, mercury, cadmium, vanadium. If the metal is divided into iron and non-ferrous metals, manganese and chromium can also be classified as heavy metals. According to the classification of non-ferrous metals in the metallurgical industry, metals with a density greater than
4.5g/cm 3are not all classified as heavy metals, such as gold, silver, platinum, etc. as precious metals, tungsten, tantalum, tantalum and so on as rare metals.
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